Improvement in nail-cutting machines



c. WQGLIDDEN.

- Nail Cutti ng-Mach i nes.

No. 135,797. Patented Feb. 11, 1 873.

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UNITED STATES PATENT OFFICE.

CHARLES \V. GLIDDEN, OF LYNN, ASSIGNOR TO JAMES W. BROOKS 'IIRUSTEE, OFBOSTON, MASSACHUSETTS.

IMPROVEMENT IN NAIL-CUTTING MACHINES.

Specification forming part of Letters Patent No. 135,797, dated Februaryll, 1873.

. To all whom it may concern:

.ments in NaiLGutting Machines; and I do hereby declare that thefollowing, taken in connection with the drawing which accompanies andforms part of this specification, is a description of my inventionsufficient to enable those skilled in the art to practice it.

My invention relates to a provision innailcutting machines fordelivering nails uniforml y, or so that their heads will all lietogether or in the same direction, the invention being applicable tothat class of machines that out nails from a plate having a width equalto the length of the nails, and having nails cut from it, heads andpoints, the common method of cutting such nails being to swing the platelaterally after each cut, or to turn the plate over after each cut, thisinvention pertaining more particularly to machines which vibrate theplate.

In such machinesI use, in connection with the cutting mechanism and feedmechanism, and directly in combination with the vibrating table thatcficcts the change of position of the plate, and of the feed-rolls incase'the same be carried by the plate, two arms, which are alternatelybrought under the end of the plate to be severed, so that the point endor part of the severed nail falls directly upon one of the arms with itshead part extending over the end of the arm, thereby canting the nail sothat it drops head first into a suitable receptacle, which will retainor guide it in this position, each slide being, in turn, brought underthe point-formin g edge of the plate, or the edge which will form thepointend ot the nail next to be out.

My invention consists in the combination, with a nail-cutting mechanismthatforms nails or nail-blanks with alternate heads and points, (so thatwith one nail the head lies in one direction, and with thenext nail thehead lies in the opposite direction arms which respectively move underthe nail-points or small ends of the nails to be out, so that the pointend strikes upon the arm interposed to receive it,

causing the head end or large end to cant downward, or vice versa,thereby insuring the descent ofthe nail head first.

The drawing represents enough of a nailcutting machine to enable myinvention to be clearly understood.

a denotes the stationary cutter; b, the movable cutter; o d, thefeed-rolls, between and by which the plate is fed and presented over theedge of the cutter a. 0 denotes the table upon which the nail-plate issupported. This table and the feed-roll housings form a frame that issupported by a post, f, or other device or mechanism capable of arotative movement that will impart to the plate .the alternate change ofposition necessary'for the cutters to effect the head-and-point cuttingof the plate, the nail-plate supporting and feeding mechanism, thecutting mechanism, and the plate-vibrating mechanism being the same asin any ordinary nail-cutting machine of this description. In front ofthe bed-cutter stand twb arms, 9 h, extending from two prongs, i k, of alever, I, pivoted at m to the under surface of the table 0. In front ofthe pivot m is a slot, n, and through this slot extends a stationarypin, 0, by which, when the table is moved in either direction, (toposition the nail-plate,) the lever is moved so as to carry one of itsarms forward toward the center of the cutter a. and the other arm backfrom said center.

When the table is moved so that the point of the blank or nail to besevered will be over the arm 9 the arm 9 is moved forward by themovement of the table that positions the plate, and the other arm, h, isdrawn back. When the severed nail falls the point part strikes the arm9, and the head part, which projects over said arm, tips down, causingthe nail to fall head first. When the table is next moved to present theplate in position for the next nail to be cut, with a head at theopposite edge of the plate, the movement of the table carries forwardthe arm h and draws back the arm g, and thesevered nail drops upon thearm h with its head end projecting beyond the end of the arm h, overwhich end the nail tips and descends head first.

By arranging the mechanism so that the ing the nails and causing them tobe delivered arms are moved in opposite directions to those in uniformposition, substantially as described. described the point ends of thenails may be Executed this 9th day of December, A. D.

caused to descend first. 187 2.

In either case the nails are delivered with i C. W. GLIDDEN. their headsall in one direction.

I claim- Witnesses:

In combination with a nail-plate feeding FRANCIS GOULD,

and cutting mechanism mechanism for cant- M. W. FROTHINGHAM.

